diff options
Diffstat (limited to 'drivers/usb/serial/ftdi_sio.c')
| -rw-r--r-- | drivers/usb/serial/ftdi_sio.c | 15 |
1 files changed, 12 insertions, 3 deletions
diff --git a/drivers/usb/serial/ftdi_sio.c b/drivers/usb/serial/ftdi_sio.c index 51d7bdea286..c70a8f667d8 100644 --- a/drivers/usb/serial/ftdi_sio.c +++ b/drivers/usb/serial/ftdi_sio.c @@ -143,6 +143,7 @@ static struct ftdi_sio_quirk ftdi_HE_TIRA1_quirk = { static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_AMC232_PID) }, { USB_DEVICE(FTDI_VID, FTDI_CANUSB_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_CANDAPTER_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_0_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_1_PID) }, { USB_DEVICE(FTDI_VID, FTDI_SCS_DEVICE_2_PID) }, @@ -166,6 +167,7 @@ static struct usb_device_id id_table_combined [] = { { USB_DEVICE(FTDI_VID, FTDI_OPENDCC_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_IOBOARD_PID) }, { USB_DEVICE(INTERBIOMETRICS_VID, INTERBIOMETRICS_MINI_IOBOARD_PID) }, + { USB_DEVICE(FTDI_VID, FTDI_SPROG_II) }, { USB_DEVICE(FTDI_VID, FTDI_XF_632_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_634_PID) }, { USB_DEVICE(FTDI_VID, FTDI_XF_547_PID) }, @@ -1052,6 +1054,8 @@ static int set_serial_info(struct tty_struct *tty, if (copy_from_user(&new_serial, newinfo, sizeof(new_serial))) return -EFAULT; + + lock_kernel(); old_priv = *priv; /* Do error checking and permission checking */ @@ -1067,8 +1071,10 @@ static int set_serial_info(struct tty_struct *tty, } if ((new_serial.baud_base != priv->baud_base) && - (new_serial.baud_base < 9600)) + (new_serial.baud_base < 9600)) { + unlock_kernel(); return -EINVAL; + } /* Make the changes - these are privileged changes! */ @@ -1096,8 +1102,11 @@ check_and_exit: (priv->flags & ASYNC_SPD_MASK)) || (((priv->flags & ASYNC_SPD_MASK) == ASYNC_SPD_CUST) && (old_priv.custom_divisor != priv->custom_divisor))) { + unlock_kernel(); change_speed(tty, port); } + else + unlock_kernel(); return 0; } /* set_serial_info */ @@ -1498,7 +1507,7 @@ static int ftdi_open(struct tty_struct *tty, priv->interface, buf, 0, WDR_TIMEOUT); /* Termios defaults are set by usb_serial_init. We don't change - port->tty->termios - this would loose speed settings, etc. + port->tty->termios - this would lose speed settings, etc. This is same behaviour as serial.c/rs_open() - Kuba */ /* ftdi_set_termios will send usb control messages */ @@ -2021,7 +2030,7 @@ static void ftdi_process_read(struct work_struct *work) spin_unlock_irqrestore(&priv->rx_lock, flags); dbg("%s - deferring remainder until unthrottled", __func__); - return; + goto out; } spin_unlock_irqrestore(&priv->rx_lock, flags); /* if the port is closed stop trying to read */ |